Element block pseudo-class :active generated with z-index auto border-radius text-shadow overflow hidden float none opacity 1 padding 20px outline none box-sizing content-box display block width 13px cursor default margin 0px height auto position static transform transition font-size 16px border 1px rgba(226,226,226,1) solid font-weight normal line-height 1 background box-shadow 1px 1px 1px rgba(0,0,0,0.3)